20 Best Denso Ik20 Spark Plugs [2024]

Are you looking for the best Denso Ik20 Spark Plugs? Based on expert reviews, we ranked them. We've listed our top-ranked picks, including the top-selling Denso Ik20 Spark Plugs.

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# Preview Product
1 4 PCS *NEW* -- Denso # 5304 IRIDIUM Power Spark Plugs IK20 4 PCS *NEW* -- Denso # 5304 IRIDIUM Power Spark Plugs IK20
2 Denso (5304) IK20 Iridium Power Spark Plug, (Pack of 1) Denso (5304) IK20 Iridium Power Spark Plug, (Pack of 1)
3 Denso # 5304 IRIDIUM Power Spark Plugs -- IK20 --- 6 PCSNEW -- Denso # 5304 IRIDIUM Power Spark Plugs -- IK20 --- 6 PCSNEW --
4 Denso (4702) IK20TT Iridium TT Spark Plug, (Pack of 1) Denso (4702) IK20TT Iridium TT Spark Plug, (Pack of 1)
5 DENSO IK16 Iridium Power Spark Plug Ik16 X 4Pieces Ignition Plugs Racing Upgrade DENSO IK16 Iridium Power Spark Plug Ik16 X 4Pieces Ignition Plugs Racing Upgrade
6 4 New DENSO Iridium IK20 Spark Plugs # 5304 4 New DENSO Iridium IK20 Spark Plugs # 5304
7 Denso IK20 Iridium Power Spark Plugs 5304 - 4 PK (IK20 (4PK)) Denso IK20 Iridium Power Spark Plugs 5304 - 4 PK (IK20 (4PK))
8 Set (8pcs) Denso Iridium Power Spark Plugs Stock 5304 Iridium Core .043'(1.1mm) Gap Size Set (8pcs) Denso Iridium Power Spark Plugs Stock 5304 Iridium Core .043"(1.1mm) Gap Size
9 Denso (4703) IKH16TT Iridium TT Spark Plug, (Pack of 1) Denso (4703) IKH16TT Iridium TT Spark Plug, (Pack of 1)
10 Denso (5304) 5304 Iridium Spark Plug, Pack of 1 Denso (5304) 5304 Iridium Spark Plug, Pack of 1
11 Denso (4504) PK20TT Platinum TT Spark Plug, (Pack of 1) Denso (4504) PK20TT Platinum TT Spark Plug, (Pack of 1)
12 Denso (5303) IK16 Iridium Power Spark Plug, (Pack of 1) Denso (5303) IK16 Iridium Power Spark Plug, (Pack of 1)
13 DENSO # 5358 IRIDIUM Power Spark Plugs -- IK20L ----- 4 PCS NEW DENSO # 5358 IRIDIUM Power Spark Plugs -- IK20L ----- 4 PCS NEW
14 DENSO # 3444 Iridium LONG LIFE Spark Plugs -- SC20HR11 ----- 4 PCS NEW DENSO # 3444 Iridium LONG LIFE Spark Plugs -- SC20HR11 ----- 4 PCS NEW
15 NGK 6619 Iridium Spark Plugs LFR6AIX-11 - 6 PCSNEW NGK 6619 Iridium Spark Plugs LFR6AIX-11 - 6 PCSNEW
16 Denso (4504) PK20TT Spark Plugs, Pack of 4 Denso (4504) PK20TT Spark Plugs, Pack of 4
17 8 PCSNEW -- DENSO #4504 PLATINUM T T Spark Plugs -- PK20TT 8 PCSNEW -- DENSO #4504 PLATINUM T T Spark Plugs -- PK20TT
18 Denso (3297) SK20R11 Spark Plugs, Pack of 4 Denso (3297) SK20R11 Spark Plugs, Pack of 4
19 DENSO # 5344 IRIDIUM Power Spark Plugs -- IKH20 ----- 6 PCS NEW DENSO # 5344 IRIDIUM Power Spark Plugs -- IKH20 ----- 6 PCS NEW
20 6 PCSNEW -- DENSO #4504 PLATINUM T T Spark Plugs -- PK20TT 6 PCSNEW -- DENSO #4504 PLATINUM T T Spark Plugs -- PK20TT
Bestseller No. 1
4 PCS *NEW* -- Denso # 5304 IRIDIUM Power Spark Plugs IK20
  • FREE SHIPPING For This Item
  • Spark Plug #5304
  • Iridium Power
  • 1order = 4 Pieces
Bestseller No. 2
Denso (5304) IK20 Iridium Power Spark Plug, (Pack of 1)
  • 0.4 mm iridium center electrode: world's smallest diameter that maximizes firing potential
  • U-groove and taper cut ground electrode: provides faster spark flame growth and lessens heat quenching
  • DENSO patented 360 degree laser welding process: ensuring exceptional quality bond and structural strength with the iridium center electrode
  • DENSO patented 360 degree laser welding process: ensuring exceptional quality bond and structural strength with the iridium center electrode
SaleBestseller No. 3
Denso # 5304 IRIDIUM Power Spark Plugs -- IK20 --- 6 PCSNEW --
  • FREE SHIPPING to anywhere IN USA and territories For This Item
  • IRIDIUM POWER
  • DENSO 5304
  • 1order = 6 Pieces
Bestseller No. 4
Denso (4702) IK20TT Iridium TT Spark Plug, (Pack of 1)
  • Denso # 4702
  • 0.4mm Iridium Center Electrode
  • 0.7mm Platinum Ground Electrode
  • Larger spark translates to more power and superior fuel economy
  • 0.4 mm iridium center electrode, world's smallest diameter that maximizes firing potential
SaleBestseller No. 5
DENSO IK16 Iridium Power Spark Plug Ik16 X 4Pieces Ignition Plugs Racing Upgrade
  • Authentic Product
  • Denso Auto Parts Brand
  • Individual Pack
  • Denso Auto Parts Part #IK16 5303
  • Brand new, never used.
Bestseller No. 7
Denso IK20 Iridium Power Spark Plugs 5304 - 4 PK (IK20 (4PK))
  • Tapered cut, U-Groove ground electrode
  • 0.4mm Iridium Tip
  • Patented 360-degree laser welding assembly process
  • Required ignition voltage reduced
  • Unsurpassed center electrode durability
Bestseller No. 8
Set (8pcs) Denso Iridium Power Spark Plugs Stock 5304 Iridium Core .043"(1.1mm) Gap Size
  • This 8 pack DENSO Iridium Power 5304 Spark Plug replaces Subaru 22401 AA731, Subaru 22401 AA530, Subaru 22401 AA550, Subaru 22401 AA65A, Subaru 22401...
  • REDUCE EMISSIONS AND MISFIRES: The patented DENSO Spark Plug enables complete fuel ignition in the combustion chamber. It virtually eliminates erratic...
  • GAIN GREATER FUEL EFFICIENCY: This DENSO Spark Plug fires leaner mixtures than conventional plugs and improves throttle response. Its ground electrode...
  • RELY ON QUALITY AUTO PARTS: From the development of direct ignition coils to revolutionizing the concept of the aftermarket performance spark plug by...
  • TRUST IN DENSO: The automotive industry has recognized the DENSO commitment to quality through such prestigious awards as the Deming Award for...
Bestseller No. 9
Denso (4703) IKH16TT Iridium TT Spark Plug, (Pack of 1)
  • Denso # 4703
  • 0.4mm Iridium Center Electrode
  • 0.7mm Platinum Ground Electrode
  • Larger spark translates to more power and superior fuel economy
  • 0.4 mm iridium center electrode, world's smallest diameter that maximizes firing potential
SaleBestseller No. 11
Denso (4504) PK20TT Platinum TT Spark Plug, (Pack of 1)
  • Twin-tip technology with 11 mm platinum center electrode and 11 mm titanium enhanced ground electrode
  • Improve fuel economy, better acceleration and faster starts than all other single platinum plugs
  • Purified alumina powder insulator provides exceptional dielectric strength and thermal conductivity, allowing the material to stand up to extreme...
  • Purified alumina powder insulator provides exceptional dielectric strength and thermal conductivity, allowing the material to stand up to extreme...
Bestseller No. 12
Denso (5303) IK16 Iridium Power Spark Plug, (Pack of 1)
  • 0.4 mm iridium center electrode: world's smallest diameter that maximizes firing potential
  • U-groove and taper cut ground electrode: provides faster spark flame growth and lessens heat quenching
  • DENSO patented 360 degree laser welding process: ensuring exceptional quality bond and structural strength with the iridium center electrode
  • DENSO patented 360 degree laser welding process: ensuring exceptional quality bond and structural strength with the iridium center electrode
SaleBestseller No. 13
DENSO # 5358 IRIDIUM Power Spark Plugs -- IK20L ----- 4 PCS NEW
  • FREE SHIPPING For This Item
  • Better Performance
  • IRIDIUM POWER
  • DENSO 5358
  • 1order = 4 Pieces
Bestseller No. 14
DENSO # 3444 Iridium LONG LIFE Spark Plugs -- SC20HR11 ----- 4 PCS NEW
  • FREE SHIPPING to anywhere IN USA and territories For This Item
  • Iridium LONG LIFE
  • DENSO 3444
  • SC20HR11
  • 1order = 4 Pieces
Bestseller No. 15
NGK 6619 Iridium Spark Plugs LFR6AIX-11 - 6 PCSNEW
  • Iridium Spark Plugs
  • Designed to operate over a much wider heat range than ordinary plugs
  • Resists carbon buildup and pre-ignition
  • Patented triple gasket sealing process eliminates the possibility of combustion gas leakage
Bestseller No. 16
Denso (4504) PK20TT Spark Plugs, Pack of 4
  • Package Dimensions: 10.9 H X 2.8 L X 8.9 W (Centimetres)
  • Package Weight: 0.136 Kilograms
  • Product Type:Spark Plug
  • Platinum Tt Plug
SaleBestseller No. 17
8 PCSNEW -- DENSO #4504 PLATINUM T T Spark Plugs -- PK20TT
  • Twin-tip technology with 11 mm platinum center electrode and 11 mm titanium enhanced ground electrode
  • Improve fuel economy, better acceleration and faster starts than all other single platinum plugs
  • Purified alumina powder insulator provides exceptional dielectric strength and thermal conductivity, allowing the material to stand up to extreme...
  • Purified alumina powder insulator provides exceptional dielectric strength and thermal conductivity, allowing the material to stand up to extreme...
Bestseller No. 18
Denso (3297) SK20R11 Spark Plugs, Pack of 4
  • Single Plug
  • Denso # SK20R11 3297
  • Extra Long Life Iridium Plug,Excellent acceleration and performance
  • 0.7mm Fine Wire Iridium-Tipped Center Electrode,Long life and high reliability
  • Stable combustion during idling,Features iridium with high melting point
Bestseller No. 19
DENSO # 5344 IRIDIUM Power Spark Plugs -- IKH20 ----- 6 PCS NEW
  • FREE SHIPPING to anywhere IN USA and territories For This Item
  • IRIDIUM POWER
  • DENSO 5344
  • 1order = 6 Pieces
Bestseller No. 20
6 PCSNEW -- DENSO #4504 PLATINUM T T Spark Plugs -- PK20TT
  • DENSOs revolutionary Twin-Tip design is a combination of highly durable precious metals-Platinum and Titanium.
  • The center electrode is created using an extremely durable platinum alloy that allows for the reduction of the tip size to 1.1mm in diameter, while...
  • The Titanium-enhanced alloy on the ground electrode also increases durability, which is critical to minimize tip erosion and achieve the new Twin-Tip...
  • Superior ignitability of the DENSO Platinum TT means more efficient combustion, which yields better engine performance in terms of power and fuel...

Having trouble finding a great Denso Ik20 Spark Plugs?

This problem is well understood by us because we have gone through the entire Denso Ik20 Spark Plugs research process ourselves, which is why we have put together a comprehensive list of the best Denso Ik20 Spark Plugss available in the market today.

After hours of searching and using all the models on the market, we have found the best Denso Ik20 Spark Plugs for 2023. See our ranking below!

How Do You Buy The Best Denso Ik20 Spark Plugs?

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We understand, because we’ve already gone through the whole process of researching Denso Ik20 Spark Plugs, which is why we have assembled a comprehensive list of the greatest Denso Ik20 Spark Plugs available in the current market. We’ve also come up with a list of questions that you probably have yourself.

John Harvards has done the best we can with our thoughts and recommendations, but it’s still crucial that you do thorough research on your own for Denso Ik20 Spark Plugs that you consider buying. Your questions might include the following:

  • Is it worth buying an Denso Ik20 Spark Plugs?
  • What benefits are there with buying an Denso Ik20 Spark Plugs?
  • What factors deserve consideration when shopping for an effective Denso Ik20 Spark Plugs?
  • Why is it crucial to invest in any Denso Ik20 Spark Plugs, much less the best one?
  • Which Denso Ik20 Spark Plugs are good in the current market?
  • Where can you find information like this about Denso Ik20 Spark Plugs?

We’re convinced that you likely have far more questions than just these regarding Denso Ik20 Spark Plugs, and the only real way to satisfy your need for knowledge is to get information from as many reputable online sources as you possibly can.

Potential sources can include buying guides for Denso Ik20 Spark Plugs, rating websites, word-of-mouth testimonials, online forums, and product reviews. Thorough and mindful research is crucial to making sure you get your hands on the best-possible Denso Ik20 Spark Plugs. Make sure that you are only using trustworthy and credible websites and sources.

John Harvards provides an Denso Ik20 Spark Plugs buying guide, and the information is totally objective and authentic. We employ both AI and big data in proofreading the collected information.

How did we create this buying guide? We did it using a custom-created selection of algorithms that lets us manifest a top-10 list of the best available Denso Ik20 Spark Plugs currently available on the market.

This technology we use to assemble our list depends on a variety of factors, including but not limited to the following:

  1. Brand Value: Every brand of Denso Ik20 Spark Plugs has a value all its own. Most brands offer some sort of unique selling proposition that’s supposed to bring something different to the table than their competitors.
  2. Features: What bells and whistles matter for an Denso Ik20 Spark Plugs?
  3. Specifications: How powerful they are can be measured.
  4. Product Value: This simply is how much bang for the buck you get from your Denso Ik20 Spark Plugs.
  5. Customer Ratings: Number ratings grade Denso Ik20 Spark Plugs objectively.
  6. Customer Reviews: Closely related to ratings, these paragraphs give you first-hand and detailed information from real-world users about their Denso Ik20 Spark Plugs.
  7. Product Quality: You don’t always get what you pay for with an Denso Ik20 Spark Plugs, sometimes less, and sometimes more.
  8. Product Reliability: How sturdy and durable an Denso Ik20 Spark Plugs is should be an indication of how long it will work out for you.

John Harvards always remembers that maintaining Denso Ik20 Spark Plugs information to stay current is a top priority, which is why we are constantly updating our websites. Learn more about us using online sources.

If you think that anything we present here regarding Denso Ik20 Spark Plugs is irrelevant, incorrect, misleading, or erroneous, then please let us know promptly!

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FAQ:

Q: What is ik20 iridium spark plug?

A: Iridium Power uses DENSO’s patented U-Groove ground electrode to achieve maximum ignitability while minimizing required voltage. Denso Denso Iridium Spark Plug – IK20

Q: What is the size of the Denso ik20?

A: Denso Sales California, Inc. Denso 5.55 x 4.37 x 1.18 inches IK20 No 5304 Would you like to tell us about a lower price? . . .

Q: What are the best iridium spark plugs for my car?

A: If you ask us personally, then the ultimate choice, that we would recommend you is Champion RER8ZWYCB4 (9407) Iridium Spark Plug, Pack of 1. If you are looking for something a bit on the cheaper side, then you have got your DENSO IK20 Iridium Power Spark Plug Ik20 X 4Pieces Ignition Plugs Racing Upgrade.

Q: How many PCs are in a NGK 6619 spark plug?

A: NGK 6619 Iridium Spark Plugs LFR6AIX-11 – 6 PCSNEW NGK 5464 BKR5EIX-11 Iridium IX Spark Plug, Pack of 4 DENSO IK20 Iridium Power Spark Plug Ik20 X 4Pieces Ignition Plugs Racing Upgrade Its high performance is only possible from the 0.4mm center electrode.